Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts 1-2American Society of Mechanical Engineers, 2004 - Arctic regions |
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Page 27
... amplitude ( m ) crossflow amplitude and the modal shape of the most excited mode normalized by the maximal amplitude . For the 0 ° current , we observe that the second node is located at 1600m from the top which corresponds to a minimum ...
... amplitude ( m ) crossflow amplitude and the modal shape of the most excited mode normalized by the maximal amplitude . For the 0 ° current , we observe that the second node is located at 1600m from the top which corresponds to a minimum ...
Page 28
... Amplitude ( m ) RMS Amplitude ( m ) 3.E - 02 2.E - 02 2.E - 02 1.E - 02 W 5.E - 03 0.E + 00 + 0 500 1000 1500 Length along the riser ( m ) 0 ° 45 ° 90 ° 2000 2500 In - line 1.4E - 02 1.2E - 02 1.0E - 02 8 0E - 03 6.0E - 03 4.0E - 03 2.0 ...
... Amplitude ( m ) RMS Amplitude ( m ) 3.E - 02 2.E - 02 2.E - 02 1.E - 02 W 5.E - 03 0.E + 00 + 0 500 1000 1500 Length along the riser ( m ) 0 ° 45 ° 90 ° 2000 2500 In - line 1.4E - 02 1.2E - 02 1.0E - 02 8 0E - 03 6.0E - 03 4.0E - 03 2.0 ...
Page 313
... amplitude was very high for this excitation . ( Fig . 9 to Fig 11 ) With the scale factor of 5B , chaotic motion ... amplitude . 3. The resonance response curves were found to have more tilt towards right showing the effect of increased ...
... amplitude was very high for this excitation . ( Fig . 9 to Fig 11 ) With the scale factor of 5B , chaotic motion ... amplitude . 3. The resonance response curves were found to have more tilt towards right showing the effect of increased ...
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2DOF amplitude analysis ASME axial barge caisson calculated Campos Basin catenary coefficient computed Conference on Offshore configuration contour line convergence Copyright curve damping deck density diameter displacement distribution drag coefficient dynamic effects equation excitation experimental extrapolation Figure flow fluid force FPSO free surface frequency domain Guide Load heave hot spot stress hull hydrodynamic installation jacket kips lift coefficient linear load transfer located longitudinal maximum measured Mechanics and Arctic mesh refinement method mode model test moon pool mooring lines mooring system motion noise nonlinear obtained Offshore Mechanics operation parameters peak Petrobras pipe platform polyester polyester rope Predicted pressure random waves ratio response Reynolds number riser roll S-N curve seastates shear soil spectral spudcan steel stiffness structure Table tension transverse upstream cylinder velocity velocity potential vertical vessel vibration vortex water depth wave height Weibull distribution weld